10231809 has 32 divisors (see below), whose sum is σ = 16485120. Its totient is φ = 5521152.

The previous prime is 10231801. The next prime is 10231813. The reversal of 10231809 is 90813201.

10231809 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10231809 - 2³ = 10231801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10231801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32119 + ... + 32435.

It is an arithmetic number, because the mean of its divisors is an integer number (515160).

It is a Proth number, since it is equal to 1249 ⋅ 2¹³ + 1 and 1249 < 2¹³.

Almost surely, 2^10231809 is an apocalyptic number.

It is an amenable number.

10231809 is a deficient number, since it is larger than the sum of its proper divisors (6253311).

10231809 is a wasteful number, since it uses less digits than its factorization.

10231809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 10231809 is about 3198.7199002101. The cubic root of 10231809 is about 217.0954933755.

The spelling of 10231809 in words is "ten million, two hundred thirty-one thousand, eight hundred nine".